Modify - Accurate Metal Hop Up Chamber for M16/M4 Series air - 2 x large angled

- 2 x large angled utility pockets with bungee adjuster

whose proper adjustment can enhance trajectory

- MOLLE attachments on rear

For ultimate support and comfort

Modify - Accurate Metal Hop Up Chamber for M16/M4 Series air - 2 x large angledModify Accurate Metal Hop Up Chamber Designed for M16 M4 series AEGs. 2 types hop up arm Accurate adjustment; gear design for precision adjustment DESCRIPTION Modify's Metallic, Hi Efficiency Hop Up Chamber for M16 M4 GEAR MAKING ACCURATE ADJUSTMENT EASIER Hop up chamber and bucking mainly provide backspin to BBs as they exit barrel to increase flight duration and therefore range, whose proper adjustment can enhance trajectory. Modify's Metallic, Hi